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Are Parabolic equations part of the GMAT?I haven't seen any official question on the same.

Best Stone

In OG there is a chapter on coordinate geometry, where parabolas are discussed:"The graph of a quadratic function is called a parabola and always has the shape of the curve above, although it may be upside down or have a greater or lesser width. Note that the roots of the equation \(f(x) = x^2 − 1 = 0\) are \(x = 1\) and \(x = − 1\); these coincide with the x-intercepts since x-intercepts are found by setting \(y = 0\) and solving for x. Also, the y-intercept is \(f( 0) = − 1\) because this is the value of y corresponding to \(x = 0\). For any function f, the x-intercepts are the solutions of the equation \(f( x) = 0\) and the y-intercept is the value \(f (0)\)."

Prosper!!!GMATinsightBhoopendra Singh and Dr.Sushma Jhae-mail: info@GMATinsight.com I Call us : +91-9999687183 / 9891333772Online One-on-One Skype based classes and Classroom Coaching in South and West Delhihttp://www.GMATinsight.com/testimonials.html